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Polymerizable composition and dental material

Active Publication Date: 2012-08-02
KURARAY NORITAKE DENTAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0023]The polymerizable composition of the present invention has both good viscosity and forming property at the same time before curing and thus has excellent handling property. Further, it exhibits good adhesive properties to tooth structure, bones, and metals. Furthermore, a cured product of the polymerizable composition has excellent flexibility, transparency, and color stability. Accordingly, the polymerizable composition of the present invention can be applied suitably to biological tissues (such as teeth and bones, particularly teeth). As specific applications, the polymerizable composition of the present invention is optimally used as a temporary cement for implant use and a mobile tooth-fixing material, and also is suitably used as a dental cement and a dental composite resin.

Problems solved by technology

Meanwhile, the growth of periodontal disease causes gingival recession also due to aging, etc., making it difficult to support teeth sufficiently.
As a result, the teeth become loose and lost easily.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

examples 1 to 16

[0170 and Comparative Examples 1 to 6 (Preparation of Polymerizable Composition)

[0171]The raw materials shown in Table 1 to Table 4 were mixed at room temperature to prepare a paste A (and a paste B), and then the properties thereof were investigated in accordance with the method described above in Test examples 1 to 9. Table 1 to Table 4 show the results.

TABLE 1EX. 1EX. 2EX. 3EX. 4EX. 5EX. 6EX. 7EX. 8EX. 9EX. 10EX. 11RawAcrylic block454045453025materialscopolymer (a)-1Acrylic block303010copolymer (a)-2Acrylic block706030copolymer (a)-3Styrene block5copolymer 1Styrene block5copolymer 2 1)3G (b)-11510151515101515151010D2.6E (b)-2555TBM (b)-3402530305550352020IBM (b)-42510151010MDP (b)-5101055101010DD (b-)655CQ (c-1)-11.00.50.51.51.51.00.50.5BAPO (c-1)-22.51.02.02.03.01.53.02.01.52.02.0PDE (d)-11.00.50.51.51.51.00.50.5Filler (e)-1251050Filler (e)-2105.03.05.05.01010BHT0.050.050.050.050.050.050.050.050.050.050.05PropertiesViscosity (Pa · s)750680790870780790810910780870920Forming prope...

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PUM

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Abstract

The present invention provides a polymerizable composition that is suitably used as a temporary cement for implant use and a mobile tooth-fixing material. The present invention is a polymerizable composition that includes an acrylic block copolymer (a) having at least one polymer block A that mainly contains a (meth)acrylic acid ester unit and that functions as a hard segment and at least one polymer block B that mainly contains an acrylic acid ester unit and that functions as a soft segment, a polymerizable monomer (b), and a polymerization initiator (c).

Description

TECHNICAL FIELD[0001]The present invention relates to a polymerizable composition that is suitable for application to biological tissues, particularly suitable as a temporary cement for implant use and a mobile tooth-fixing material, and relates to a dental material using the polymerizable composition.BACKGROUND ART[0002]Adhesive materials or filling materials are used for restorative treatment of teeth, bones, etc. Polymerizable compositions containing a polymerizable monomer, a polymerization initiator, a filler, etc., are generally used as such adhesive materials or filling materials. Polymerizable compositions for restorative treatment of teeth, bones, etc., can be roughly classified into two types depending on the hardness after curing. One type is a soft material, a cured product of which is flexible, to be used as an adhesive material, a shock absorber, etc., with respect to biological tissues, such as a temporary sealing material, a rebase for denture base, and an artificial...

Claims

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Application Information

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IPC IPC(8): A61K6/083C09D133/10
CPCA61K6/0023C08F287/00A61K6/083A61K6/0052C08F265/06C08L33/08C08L33/10C08L53/00A61K6/62A61K6/30A61K6/887C08G81/021
Inventor SUZUKI, KENJI
Owner KURARAY NORITAKE DENTAL